BANK 1 air/fuel mixture lean PLEASE HELP!!
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My Ride: 2010 bow 535i
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I have an issue with my car I keep getting a. Steady DTC for air fuel mixture in bank 1 too lean I attempted to check for vacuum leaks changed plugs also gave thought to changing injectors, at cold start car has a very rough idle and sometime misfires under load.. Does anyone have an idea of what this could be??
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My Ride: 535i navi, pdc
Model Year: 2008
Engine: N54,m50
![Default](https://5series.net/forums/images/icons/icon1.gif)
I have an issue with my car I keep getting a. Steady DTC for air fuel mixture in bank 1 too lean I attempted to check for vacuum leaks changed plugs also gave thought to changing injectors, at cold start car has a very rough idle and sometime misfires under load.. Does anyone have an idea of what this could be??
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